UBUNTU-CVE-2018-17189

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    UBUNTU-CVE-2018-17189

    Published: 30 Jan 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-17189
    Aliases:
    USN-3937-1

    Summary:

    Details: In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 (mod_http2) connections.

    References: https://ubuntu.com/security/CVE-2018-17189, https://www.openwall.com/lists/oss-security/2019/01/22/2, https://ubuntu.com/security/notices/USN-3937-1, https://www.cve.org/CVERecord?id=CVE-2018-17189

    Affected packages

    Package

    Name: apache2

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.29-1ubuntu4.6

    Affected versions

    2.4.27-2ubuntu3
    2.4.29-1ubuntu1
    2.4.29-1ubuntu2
    2.4.29-1ubuntu3
    2.4.29-1ubuntu4
    2.4.29-1ubuntu4.1
    2.4.29-1ubuntu4.2
    2.4.29-1ubuntu4.3
    2.4.29-1ubuntu4.4
    2.4.29-1ubuntu4.5

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High